Answer:
One way to remove soap from water is to have it react with other substances. When the reactions occur, a solid called a precipitate is sometimes formed. A precipitate can be filtered out of the water.
Explanation:
1 cup sugar; Final soap suds height; 9.1 cm
2 cup Table Salt; Final soap suds height; 1.2 cm
3 cup Epsom salt; Final soap suds height; 0.2 cm